
What is a firewall? - Cisco
A firewall is a network security device that separates a trusted internal network from an external network deemed untrustworthy, such as the internet. It regulates incoming and outgoing …
What is network security? - Cisco
A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules.
Networking Basics: What You Need To Know - Cisco
Depending on your security needs, for example, you can choose a router with a firewall, a virtual private network (VPN), or an Internet Protocol (IP) communications system.
What is a network gateway? - Cisco
As an entry or exit point for data, a gateway can be used in a variety of security processes, such as a firewall to scan and filter data or a proxy server to maintain restricted access to certain …
What Is Network Segmentation? - Cisco
Some traditional technologies for segmentation included internal firewalls, and Access Control List (ACL) and Virtual Local Area Network (VLAN) configurations on networking equipment.
What is a Router? - Definition and Uses - Cisco
Embedded firewall and content filtering software provide an additional protection from unwanted content and malicious websites without affecting your online experience.
What Is Network Switching? - Cisco
Networking experts need to configure managed switches, which are designed for use in large, complex networks that demand reliability and security. These switches offer more capacity …
What is a Network? A network refers to two or more connected computers that can share resources such as data, a printer, an Internet connection, applications, or a combination of …
What Is Network Address Translation (NAT)? - Cisco
Network Address Translation (NAT) is a service that operates on a router or edge platform to connect private networks to public networks like the internet. NAT is often implemented at the …
How to Setup a Firewall in 6 Steps for Your Small Business
Learn how to setup a firewall with ease. Get your firewall setup and configured today so your first line of defense is in place and protecting your business.